package com.atguigu.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.atguigu.common.to.es.SkuEsModel;
import com.atguigu.search.config.ElasticSearchConfig;
import com.atguigu.search.constant.EsConstant;
import com.atguigu.search.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkItemResponse;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

@Service("ProductSaveService")
@Slf4j
public class ProductSaveServiceImpl implements ProductSaveService {

  @Resource
  private RestHighLevelClient restHighLevelClient;

  @Override
  public boolean saveProductAsIndices(List<SkuEsModel> skuEsModels) throws IOException {
    //保存到es
    // 1、给es中建立索引。product，建立好映射关系

    // 2、给es中保存这些数据
    // BulkRequest bulkRequest; RequestOptions options;
    BulkRequest bulkRequest = new BulkRequest();
    for (SkuEsModel skuEsModel : skuEsModels) {
      // 构造保存请求
      IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
      String s = JSON.toJSONString(skuEsModel);
      indexRequest.source(s, XContentType.JSON);
      bulkRequest.add(indexRequest);
    }
    BulkResponse bulkResponse = restHighLevelClient.bulk(bulkRequest, ElasticSearchConfig.COMMON_OPTIONS);
    //失败返回true，即有失败
    boolean hasFailures = bulkResponse.hasFailures();
    List<String> collect = Arrays.asList(bulkResponse.getItems()).stream().map(BulkItemResponse::getId
    ).collect(Collectors.toList());

    log.info("商品上架完成：{}", collect);

    return !hasFailures;
  }
}
